Radio tag
US7586414B2 · kind B2 · utility
6Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2006 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | May 30, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/28
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a noncontact type radio tag communicating with an RFID reader/writer, a first planar antenna is arranged on one surface of a dielectric substrate, a ground plane with which a second planar antenna is integrally formed is arranged on the other surface of the dielectric substrate, and an IC chip is connected to the first and the second planar antenna with a feeder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.